Brainliesttt which statement is true about sodium chloride (nacl)? it is a salt because it decreases the concentration of metallic ions. it is an acid because it is formed by the reaction of a salt and an acid. it is a salt because it is formed by the reaction of an acid and a base. it is an acid because it increases the concentration of nonmetallic ions.

What part of the brain is highlighted in the diagram below?

Glycogen is an energy-storage molecule in humans. a hormone that is called insulin controls the storage of glycogen in the liver. insulin is made up of amino acids.

Even though the ostrich is a flightless bird, ostriches still possess wings that stretch approximately two meters across when fully extended. scientists speculate that when dinosaurs became extinct, some of the birds that lived during that time became land dwellers since they were able to consume the food that the dinosaurs once ate. over time, these species grew larger and heavier. eventually, the ostrich species became too big to fly. the wings found on ostriches are known as a. analogous structures. b. homologous structures. c. vestigial structures. d. symmetrical structures.